student class

package p2;

import person.Car;
import person.Person;

public class Student extends Person implements Helper{

	int studentId;

	public Student(int id, String name,int studentId) {
		super(id, name);

		this.studentId = studentId;
	}

	@Override
	public void show(int d) throws Exception{

		super.show(23);
		System.out.println(this.studentId);


	}

	@Override
	public void show2(int s) {

		System.out.println("dhdh");

	}

	@Override
	public int compareTo(Helper o) {
		if(this.getId()>((Student)o).getId())
			return 1;
		if(this.getId()<((Student)o).getId())
			return -1;

		return 0;
	}


	@Override
	public String toString() {
		// TODO Auto-generated method stub
		return this.getName()+" "+this.getId()+"\n";
	}





}